Newer versions, starting with the 1.0.x series, generally require a 64-bit operating system. How to Download Fritzing for 32-Bit
Follow these steps to ensure you get the correct version for your 32-bit architecture: Is there any way to donwload fritzing for free?
Includes the standard breadboard, schematic, and PCB views, along with the standard parts library.
For users on 32-bit Windows systems (including Windows 7 and 8.1), Fritzing 0.9.10 is the final official release that provides native 32-bit support.